The number 1020 lies between the perfect squares 31² and 32². Since 32² equals 1024, the difference between 1020 and the next perfect square is 4. Therefore, adding 4 to 1020 produces 1024, which is a perfect square.
What is the least number that can be added to the number 1020 to make it a perfect square?
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.